I’ve photographed several small birds grazing on seed in recent weeks – mostly late on a sunny afternoon. I haven’t shared those images because the birds are generally too far away to see much feather detail OR they are poor shots with waving grass spoiling the image (the shots below are examples).
The images below were made with the Sigma 150-500mm lens fully zoomed out to 500mm and I was trying to get a focal point on their eye before they did the next ‘hop’. Not easy. Since I can’t see the eye, I have to just aim at the red part of the head which is quite clearly visible.
Here’s a photo of the field (to the right of the nature reserve as I face the river) that I’m talking about. The image was made last October so it’s still water-logged from the record-breaking Spring rains we had in 2016. I was standing on the gravel path on the lower left of the image below and the birds were in the field which is about 6 feet lower than the walking path. While the birds were only about 25-30 feet from my position, I guess I’d need a 700mm lens to get close enough to get a really good shot to share.